dts: make extract script take options

Use argeparse for options and add a fixup option to add on top of
generated file. This was previously done in the top Makefile and was
generated defines outside of the header main if statement.

Jira: ZEP-2147

Change-Id: If65f34a11de27baa770d4ce0ef4fca2abbd30258
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2 files changed